Her dress was spotlessly clean and well made,but it was______kind of ______dress which the daughter of a poor man might have worn.

A．the;a

B．a;a

C．the;/

D．/;/

为进一步明确诊断，下列哪项检查最有意义

A．血生化检查
B．X线透视或摄片
C．B超
D．CT
E．腹腔穿刺